Category:
All-Terrain Vehicle (ATV)
Intended Use:
Recreation, utility, trail riding
Key Competitors:
Arctic Cat, Yamaha, Honda, Can-Am models of similar displacement and capability
Powertrain:
4x4 selectable drive, robust single-cylinder engine
Suspension:
Independent front suspension, swingarm rear suspension (typical for the era)
Manual Type:
Full Service & Repair Workshop Manual
Primary Coverage:
All repairs, servicing, and troubleshooting procedures
Secondary Coverage:
Detailed photos, diagrams, step-by-step instructions, exploded views
Estimated Page Count:
Hundreds (specific number not provided, but described as comprehensive)
Manual Origin:
Factory Service Manual
Delivery Format:
PDF Download
Accessibility:
Downloadable to computer, tablet, or smartphone
Usage License:
Lifetime use on unlimited devices
Trial Version:
No, full version only
Expiry:
No expiry date, no renewal fees
Operating Systems:
Windows and macOS compatible
Engine:
Complete engine disassembly, assembly, diagnostics, and repair
Fuel System:
Carburetor (VM34SS) tuning, cleaning, repair, and troubleshooting
Ignition System:
CDI, spark plug specifications, timing adjustments
Cooling System:
Coolant specifications, radiator, fan, thermostat service
Transmission Drive:
PVT (Polaris Variable Transmission) belt inspection, replacement, and clutch service
Drivetrain:
4x4 engagement system, driveshafts, universal joints, differential maintenance
Suspension:
Front and rear suspension systems, shock absorbers, control arms, bushings
Steering:
Steering column, tie rods, knuckle assembly, steering wheel removal/installation
Brakes:
Hydraulic brake system, brake pads, rotors, master cylinder, caliper service
Electrical System:
Battery, charging system (stator, regulator/rectifier), starter motor, lighting, wiring diagrams
Wheels Tires:
Tire pressure recommendations, wheel bearing maintenance, bolt patterns
Body Chassis:
Frame inspection, plastic body panel removal/installation, seat, rack maintenance
Preventive Maintenance:
Oil changes, filter replacements, lubrication, spark plug checks, air filter cleaning/replacement
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for common issues
Rebuilding:
Complete engine rebuild procedures, carburetor overhaul
Adjustments:
Carburetor idle and mixture adjustments, brake lever free play adjustments
Component Replacement:
Step-by-step guides for replacing all major components
Depth Level:
Comprehensive from basic maintenance to complex engine and drivetrain repairs
Detail Level:
Professional technician level with detailed diagrams and torque specifications
Engine Type:
4-stroke, single-cylinder
Displacement:
329cc (approximate, often rounded)
Bore X Stroke:
74 mm x 76 mm (typical for this engine family)
Cooling System:
Liquid-cooled
Horsepower:
Estimated 20-25 HP (specific figures not provided, common for this class)
Torque:
Moderate low-end torque for trail performance
Fuel Delivery:
Carburetor (Mikuni VM34SS)
Fuel Type:
Unleaded gasoline (minimum 87 octane)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
SAE 20W-40 Motorcycle/ATV Oil (API SG or higher)
Oil Capacity:
Approx. 1.7 Liters (with filter change)
Transmission Type:
Automatic (Polaris Variable Transmission - PVT)
Drive System:
Shaft Drive, Selectable 4x4
Gear Reduction:
High/Low range with Reverse
Transmission Fluid:
Polaris Angle Drive Fluid (for front differential), PVT belt drive lubricant (specified in manual)
Engine Oil Change:
Every 100 hours or 6 months (whichever comes first)
Air Filter Cleaning:
Every 50 hours or 3 months, replace as needed
Spark Plug Check:
Every 100 hours or 12 months
Pvt Belt Inspection:
Every 100 hours or 6 months
Engine Oil Specification:
Polaris PS-4 4-Stroke Synthetic 20W-40 (or equivalent API SG/SH/SJ)
Coolant Specification:
Ethylene glycol-based antifreeze (50/50 mix with distilled water)
Front Differential Fluid:
Polaris Demand Drive Fluid or SAE 80W Gear Oil
Common Wear Items:
PVT belt, ball joints, tie rod ends, wheel bearings (typical for this age of ATV)
Potential Carburetor Issues:
Gumming from old fuel, pilot jet blockage leading to starting or idling problems
Charging System Considerations:
Stator or regulator/rectifier failure can lead to dead battery issues
Manufacturer:
Polaris Industries
Brand Focus:
Snowmobiles, ATVs, UTVs, Powersports vehicles
Magnum Lineage:
The Magnum series was a popular line of utility and recreational ATVs for Polaris, known for their robust build and 4x4 capability. The 330cc engine size offered a good balance of power for its class.
Production Location:
Primarily manufactured in the USA